- The paramecium is not very small It can easily be observed using the light microscope.
- You want to observe life processes. You cannot use an electron microscope to observe Iiving specimens.
Paramecium
The paramecium is an organism of about 50-300 μ long in size. This size makes the organism easily observable via a light microscope. A light microscope can magnify as high as 2000 times when the magnification powers of the ocular and the objective lens are combined.
In the same vein, observing how a paramecium feeds requires that the organism remains alive. With electron microscopes, specimens are viewed under an extremely high vacuum where no life can exist. The paramecium cannot be living under this condition.
Thus, using the electron microscope is not an option in this case.
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